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Job Type

Full Time

Job Details

Date Posted:



United States of America


CA320: El Seg.-So. Campus Bldg E01 2000 East El Segundo Boulevard Building E01, El Segundo, CA, 90245 USA

Position Role Type:


The Resilient Navigation Department (RNAV) is a key strategic member of the Software Engineering Organization.  RNAV develops and delivers industry-leading GNS & STE technologies.

We are looking for a proven GPS Software SME / Tech Lead to join our Software Engineering team in El Segundo, California, a suburb of Los Angeles.

This is a hybrid position at our El Segundo, CA location.

*eligible for relocation*

Qualifications/Experience Needed: 

  • Working with digital signal processing or wireless communication technology

  • Developing Real time Embedded Software in C/C++ and/or Ada with minimum 12+ years of experience

  • Using Green Hills Integrity Real-time Operating Systems, Board Support Packages (BSP), Green Hills Multi IDE , Wind River VxWorks for C/C++ or related operating systems

  • Applying highly advanced technologies and concepts with ingenuity and resourcefulness in developing SW architecture and design; the architecture and design would be consistent with systems requirement and interface designs

  • Producing robust, well-documented, production-quality code which includes conforming to design and coding standards, implementing of error handling routines, etc

  • Experience in algorithm and hardware design

  • Using Microsoft Visual Studio and Matlab

  • Troubleshooting and resolving issues associated with development and implementation

  • Working effectively in a large team software engineering development environment during all phases of the software development life-cycle

  • Communicating effectively with team members across disciplines, project management, and customers

  • Contributing to program and customer meetings and reviews

  • Writing technical documents such as software requirements and design documents

  • Using Configuration Management tools

  • Applying software development best practices and processes

  • Using MS Office or other presentation tools

  • Experience using and reporting EVMS

  • Technical leadership experience to a team of engineers

  • Experience developing proposal and ROM

  • Ability to obtain and maintain a DoD Secret or higher clearance is required

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 12 years prior relevant experience or an Advanced Degree in a related field and minimum 10 years of experience or in absence of a degree, 16 years of relevant experience 

Security Clearance:

  • The ability to obtain and maintain a U.S. government issued security clearance is required 

  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance 

  • Must have or be capable of obtaining a US Department of Defense (DoD) security clearance.  Candidate selected will be subject to a government security investigation/reinstatement and must meet eligibility requirements  

Preferred Qualifications:  

  • Experience in real-time development and architecture for GPS Receiver software

  • Experience with next-generation GPS Receiver that is P(Y)-code, M-code, and C/A-code (YMCA) capable as well as having Anti-spoof capability

  • Experience developing Test Procedures using Test Framework (TF), performing IV&V, using Python (and other scripting language), and testing with STE

  • Working knowledge of signal selection, acquisition and tracking, Position, Velocity, and Time (PVT) calculation, data demodulation, signal correction, jamming and spoofing or related applications

  • Working in a matrixed environment with Integrated Product Teams (IPTs)

  • Working knowledge with MIL-STD-1553, IS-GPS-153 Serial Interface protocol

  • Understanding of Board Support Package for ARM Processor, Atom Processor, and PPC

  • Understanding the basics of FORTRAN, ClearCase, ClearQuest, and DOORS

  • Being familiar with Agile lifecycle process including Scrum, Continuous Integration, Static Code Analysis using Coverity, Unit Test using VectorCast, and Test Driven Methodologies

  • Understanding of standard system engineering design artifacts such as Use Cases

  • Developing software using industry standard process such as Capability Maturity Model Integrated (CMMI) Level 3

  • Experience with DO-178 highly preferred

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

Diversity drives innovation; inclusion drives success. We believe a multitude of approaches and ideas enable us to deliver the best results for our workforce, workplace, and customers. We are committed to fostering a culture where all employees can share their passions and ideas so we can tackle the toughest challenges in our industry and pave new paths to limitless possibility.


* Please consider the following role type definitions as you apply for this role.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite.  Ratio of time working onsite will be determined in partnership with your leader.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

Nothing matters more to Collins Aerospace than our strong ethical and safety commitments. As such, all U.S. positions require a background check, which may include a drug screen.


  • Background check and drug screen required (every external new hire in the U.S.)   

  • Drug Screen only performed on re-hires who have been gone for more than 1 year

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day!

Employee Referral Eligible

#LI-MIS  #HotJob

The salary range for this role is 152,000 USD - 304,000 USD; however, RTX considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

RTX is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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GPS Software Subject Matter Expert - Resilient Navigation - El Segundo, CA - Active SECRET Preferred - Hybrid Schedule
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